Comic Shuffle - StumbleUpon for web comics
Sharkle - Generator of random awesomeness
The Funnies - The funniest web comics delivered to your inbox
Comixology Unlimited - Netflix for comics and graphics novels by Amazon
Relic Scout - The ultimate tool to track down the comics on your want list
iFunny - iFunny is a Fun Application that gives you a simple when you most need it.